A.35倍 | B.14倍 | C.7倍 | D.17.5倍 |
4.00g |
40g/mol |
1.40g |
28g/mol |
1.60g |
32g/mol |
4.00g+1.40g+1.60g |
0.1mol+0.05mol+0.05mol |
35g/mol |
2g/mol |
A.质量相等、密度不等的O2和CO |
B.等体积等密度的CO和N2 |
C.等温等体积的O2和N2 |
D.等压等体积的N2和CO2 |
A.0.4molNO2 | B.4gO2 |
C.1.505×1023个H2分子 | D.11.2LCH4 |
A.164.0克 | B.156.0克 | C.142.0克 | D.136.0克 |
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